No limits to the sphere of

Isaiah 11:9 - They shall not hurt nor destroy in all my holy mountain: for the earth shall be full of the knowledge of the Lord, as the waters cover the sea.

Mark 16:15 - And he said unto them, Go ye into all the world, and preach the gospel to every creature.

Revelation 14:6 - And I saw another angel fly in the midst of heaven, having the everlasting gospel to preach unto them that dwell on the earth, and to every nation, and kindred, and tongue, and people,